Those MP3 music downloaded from your mobile phone, listening to better headphones or speakers, always feel that it is a little less meaningful, not bright enough, and the details are also confusing? Or do you have a pile of important recording interviews and meeting records in hand, and you are in a lossy format, and you want to make professional editing or long-term archiving, but you are always worried about the loss of sound quality? At this time, you need to understand the FLAC format. Simply put, FLAC is a lossless audio compression format. Today to talk, the audio is converted to FLAC function. It allows you to convert your music and recordings into high-quality FLAC in batches at one time and hundreds of songs.
Why do you need to convert audio to FLAC format?
1. Upgrade sound quality: MP3 downloaded from the Internet or captured from CD in the early years wants to get a better experience on modern good equipment. The batch of music into FLAC is a chance to give old songs a "rebirth.
2. Professional audio work needs: If you are doing video editing, podcast production or music post-editing, using MP3 and other lossy formats to do multi-track editing, repeated processing will make the sound quality worse. First MP3/WAV to FLAC as a working master, later space is larger, the effect is better.
3. Long-term archiving of audio materials: such as precious home recordings, historical interviews, important meeting records, etc. Using FLAC, a lossless format for archiving, can ensure that after many years of opening, the sound information is exactly the same as the original, and will not be lost due to the format itself.
4. Organize the home audio and video library: the songs stored in NAS or hard disk at home, some MP3, some AAC, some WAV, are very annoying when the players are compatible. If batch audio is converted into a unified FLAC format, management and playback will be saved.
5. Meet the needs of enthusiasts: Many music enthusiasts love to collect lossless formats. The resources from various channels have different formats. They are converted into FLAC with tools, which is convenient to manage and appreciate with professional players.
Preview of Audio to FLAC Effect
Before treatment:

After treatment:

Method 1: Use HeSoft Doc Batch Tool To convert MP3/WAV into FLAC
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Advantages:
1, the real batch processing: this is the hard core selling point. Whether you have dozens or hundreds of audio files (supporting MP3, M4A, WAV and other common formats), drag them in at one time and click to start.
2. Simple operation: the interface is clean, and the core is three steps: select functions-> add files-> click to start. All options are clearly written in the most straightforward words and can be understood at a glance without learning how to use them.
3.100% Local Processing: Our software is a pure local desktop program. All your music and recording data are in your own computer and will never be uploaded to any network server. Personal collections and commercial materials can be processed with confidence.
4. Quality balance and reliability: The software adopts common high-quality FLAC coding parameters, which perfectly retains the original sound quality and improves the listening feeling as much as possible, and generates standard and compatible FLAC files, which can be played smoothly by various players.
Disadvantages:
γ HeSoft Doc Batch Tool ] needs to be local to the computer.
Operation steps:
1. Open γ HeSoft Doc Batch Tool ], find [Audio Tools] on the left, and then select [Convert Audio to FLAC] on the right].

2. Click [Add File] in the upper right corner, or drag the audio file to be processed to the specified location to complete the file import.

3. Click [Next], the tool will automatically convert the audio to FLAC format, and will give a prompt in time after completion.

Method 2: Complete audio conversion using Adobe Audition
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Advantages: It is a professional audio editor, the conversion is only the basic function, the sound quality processing is the top level, but also before the conversion of fine repair and pre-processing.
Disadvantages: The software is too large and slow to open. If you only want to switch to FLAC, it is a bit overqualified.
Operation steps:
1. Open the Audition and import the MP3 file to be processed from the "File" menu.
2. Then you can process the audio in the multi-track view first, such as noise reduction or something (you don't want to do it).
3. then click the "file" menu, select "export"-> "file", and select "FLAC" in the export settings window and format ".
4. Adjust the sampling rate and bit depth as needed (generally keep the default). Finally, click "OK" and choose a place to save it.

Method 3: Use the dBpoweramp Music Converter to convert music to FLAC
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Advantages: It converts quickly, the sound quality is perfect, and the batch processing ability is extremely strong. Perfectionists like it very much.
Disadvantages: Its functional interface is a bit too many options for users who just want to convert simply, the advantages are complicated to operate, and they don't need so many functions.
Operation steps:
After the software is installed, it will generally be integrated into the right-click menu.
2. Directly in the folder, right-click the audio file you want to transfer.
3. Select "dBpoweramp"-> "Conversion" and select "FLAC" encoder in the pop-up window.
4. Then set the output quality and target folder.
5. Click "Convert" and it will be completed in one go. It is really fast.

Method 4: Use the Foobar2000 (need to install the conversion component) to convert the audio into FLAC file
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Advantages: It is a customizable free audio player, the sound quality is good for audiophiles, the conversion function is realized through plug-ins, very flexible.
Disadvantages: The initial setup is a bit troublesome, you need to find and install the conversion plug-in yourself. The interface is more complicated and not very friendly to beginners. Generally, I don't know how to operate it at first.
Operation steps:
1. You need to install the Foobar2000 first, and then download and install its "Free Encoder Pack" and other conversion plug-ins. There are a lot of steps.
2. Then use the Foobar2000 to open your playlist and add all the songs to be transferred.
3. Select these files in the playlist and right-click to select the "Convert" button.
4. Then in the converter settings, select "FLAC" for the output format ". Configure the output file and sound quality settings as needed.
5. Click "Convert" and it will start processing.

Method 5: Use Freemake Audio Converter to convert MP3/WAV to FLAC
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Advantages: The interface is intuitive and simple, supports batch audio conversion, and drag and drop operations are very convenient.
Disadvantages: The installation package may be bundled with other software, so be careful. The most annoying thing is that the free version adds an advertising audio watermark at the head and tail of the converted file.
Operation steps:
1. Install and open the software.
2. Click the big "Audio" button to add the file.
3. In the output format at the bottom, select "FLAC" and click the pinion next to it to select the quality of FLAC.
4. Then click the "Convert" button and wait until the progress bar is finished, but remember that there will be an advertisement at the beginning and end.

Method 6: Use online websites to convert MP3 into FLAC format
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Advantages: You don't need to install software, you can open the web page, and it is OK to convert one or two files in a temporary emergency.
Disadvantages: Files have to be transferred to other people's servers, and privacy is not guaranteed. The free version has a file size limit, slow conversion speed, and a little less sound quality setting options.
Operation steps:
1, the browser to open such online conversion sites, such as Online-Convert
2. Find the audio conversion function, click "Select File" to upload, and select "FLAC" in the output format ".
3. It is possible for you to simply set the sound quality (few options).
4. Click "Start Conversion" and wait for it to be uploaded and processed slowly.
5. Finally, click "Download" to bring the file back. I am tired.

Method 7: Use the format factory (Format Factory) to convert the audio to FLAC format
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Advantages: The older format conversion software is free of charge, supports many formats, and can transfer video, audio and pictures.
Disadvantages: software interface advertising and promotion more. The core encoder for converting FLAC may not be the latest version, and it is not as good as professional software for ultra-high specification FLAC.
Operation steps:
1. First, open the format factory and select "Audio" category on the left.
Select the "FLAC" option.
3. Click "Add File" to add MP3 and other files to be transferred.
4. Here you can click "Output Settings" to adjust the sound quality parameters.
5. Click "OK" in the upper right corner to return to the main interface.
6. Click the "Start" button in the main interface and wait for the conversion to complete.

If you are tired of installing huge software to convert audio formats, studying complex parameters or using online tools with trepidation, then HeSoft Doc Batch Tool This [Audio to FLAC] function is definitely the solution you should try. Stop wasting your time with sound quality and format issues, hand over the rework to the tools, and keep the good sound and ease to yourself. Remember, whether you want to upgrade an old song MP3 to FLAC or archive WAV to FLAC for work, this tool can make you get twice the result with half the effort.